Boulder County District Attorney Mary Lacy explains the dropped charges against John Mark Karr during press conference at the Boulder Justice Center in Boulder, Colorado August 29, 2006. Boulder District attorney Lacy dropped charges against JonBenet Ramsey murder suspect John Mark Karr as his DNA sample did not match evidence in the case. EDITORIAL ONLY (UPI Photos/Paul Aikens)

Alexis Valoran Reich (born December 11, 1964), who is a male-to-female transsexual formerly known as John Mark Karr, is an American citizen who in 2006 falsely confessed to the unsolved murder of six-year-old JonBenét Ramsey. She has, on other occasions, faced a number of other criminal charges.

Karr was born in Conyers, Georgia and spent his early childhood in Atlanta. His father, Wexford Karr, married Patricia Elaine Adcock on August 21, 1958, when he was 37 and she was 18. Wexford filed for divorce in 1973, eleven years into marriage, saying the marriage was "irretrievably broken," and that the boys were in his custody. Soon after, Wexford Karr, then 52 years old, married 29-year-old Susan Simpson, his neighbor in the same apartment complex. His marriage with Simpson ended in divorce six months later.

A family friend, Jonathan McCrary, has said that Karr's mother believed John Karr was possessed by demons. His mother allegedly built a pyre of kindling around him and attempted to burn him alive as an infant. Adcock was committed to the Central State Hospital, a mental hospital in Milledgeville, Georgia, and later lived in a group home, according to her stepmother Shirley Adcock.

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